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The top five finance apps for your iPhone, iPad and iPod touch cover every angle of business and personal finance. You can manage all of your bills in once place, check the latest prices of commodities, or control your stock portfolio with unbelievable immediacy and accuracy.

1. BlackGold

Watch the prices of crude oil, gold, gas, natural gas, and heating oil to stay on top of every commodity fluctuation, bullish or bearish. The in-app upgrade provides silver tracking, state-by-state gasoline tracking and an updated user interface.

Download the number-one free mortgage calculator, a tool that iTunes calls “the most comprehensive, trusted, and downloaded mortgage calculator in the app store.” Whether you’re a realtor or a client, this app will calculate a mortgage in the most basic way possible.

Pageonce Money & Bills allows you to track your finances all in once place, receive reminders for bill due-dates, monitor your credit card transactions, and even track your frequent flier miles and rewards. You can also add an unlimited number of accounts and track your mobile minutes, text and data usage – a staggering amount of information, at no additional cost.

You could say that Venmo is the crown jewel of all finance apps. Link your credit card or bank account to your device, and instantly pay your friend back for dinner while you’re still sitting at the table. Find Venmo-users in your address book and send direct payments to their bank account, via text-message. “Take advantage of Venmo’s rich reporting interface,” with no transaction fees whatsoever.